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++ <!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
++ <node>
++ <interface name="org.example.chat">
++ <signal name="message">
++ <arg name="nickname" type="s" direction="out"/>
++ <arg name="text" type="s" direction="out"/>
++ </signal>
++ <signal name="action">
++ <arg name="nickname" type="s" direction="out"/>
++ <arg name="text" type="s" direction="out"/>
++ </signal>
++ </interface>
++ </node>
++